'''I think you have serious logic board/OS - HD/application problems.''' The resets you are doing are not supposed to be a [http://support.apple.com/kb/HT3964|regular occurrence]. They are extreme measures intended to be used for troubleshooting and [http://thenextweb.com/lifehacks/2010/12/04/how-when-why-to-reset-the-pram-smc-on-your-mac/|repairing occasional] (not regular) problems.
''You don't mention the application are you using for Audio -'' sometimes application preferences get corrupt and when they do strange things happen. Also if there are lots of applications running at the the same time this could possibly be a CPU issue.
If you have Apple Care - use it. If you don't try a clean reinstall of the OS or visit a genius bar might not hurt to check at AppleSupport to see if this is a known and covered issue (sometimes things are under TSB or "silent recall/extended warranty".
''If this answer is acceptable '''please remember to return and mark it'''.''